When striking, press the tool firmly onto the surface,
and lift the frame about 5 cm (2 in). Never raise the
machine unnecessarily high.
Do not raise the machine by extending the bucket
cylinder to maximum.
If the surface is repeatedly struck but it is not broken
within 30 seconds, move the hydraulic breaker to
break from the end portion.
Also, if the block has not cracked after a series of
approximately ten strokes, change the point of
attack.
The striking direction of tool and hydraulic breaker
body are slightly deviated. Therefore, adjust the
bucket cylinder so that the direction for body and
tool is always the same.
252
Operating techniques
Hammer
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